mirror of
https://github.com/firestar5683/StarPilot.git
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firestar5683
22a8575199
Keep official openpilot ancestry and dependency licenses. Store resources directly in Git, remove LFS setup requirements, and leave the downloadable big model outside the source tree.
38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
import dataclasses
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from libdatachannel import Description
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@dataclasses.dataclass
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class StreamingMediaInfo:
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n_expected_camera_tracks: int
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expected_audio_track: bool
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incoming_audio_track: bool
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incoming_datachannel: bool
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def parse_info_from_offer(sdp: str) -> StreamingMediaInfo:
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"""
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helper function to parse info about outgoing and incoming streams from an offer sdp
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"""
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desc = Description(sdp, Description.Type.Offer)
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n_video = 0
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expected_audio_track = False
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incoming_audio_track = False
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incoming_datachannel = desc.has_application()
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for i in range(desc.media_count()):
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media = desc.media(i)
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if media is None:
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continue
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direction = media.direction()
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if media.type() == "video" and direction in (Description.Direction.RecvOnly, Description.Direction.SendRecv):
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n_video += 1
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elif media.type() == "audio":
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if direction in (Description.Direction.RecvOnly, Description.Direction.SendRecv):
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expected_audio_track = True
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if direction in (Description.Direction.SendOnly, Description.Direction.SendRecv):
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incoming_audio_track = True
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return StreamingMediaInfo(n_video, expected_audio_track, incoming_audio_track, incoming_datachannel)
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